The Life-History of Xenopus laevis, Daud. (Witrh four Plates).
Edinburgh, Grant & Son, 1905. Large 4to. Loose and wrappers with tears. Some traces of use. (32) pp. and 4 fine chromolithographed plates. Offprint from "Transactions of the Royal Society of Edinburgh." Vol. XLI, Part III, No. 31